package com.felix.forum.web.admin;

import com.felix.forum.po.Type;
import com.felix.forum.service.TypeService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.Pageable;
import org.springframework.data.domain.Sort;
import org.springframework.data.web.PageableDefault;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;

import javax.validation.Valid;

/**
 * @author Administrator
 * @date 2022/02/17 12:32
 **/
@Controller
@RequestMapping("/admin")
public class TypeController {

    @Autowired
    private TypeService typeService;

    @GetMapping("/typeManage")
    public String typeManage(@PageableDefault(size = 8,sort = {"id"},direction = Sort.Direction.DESC)
                                         Pageable pageable, Model model){
        model.addAttribute("page", typeService.listType(pageable));
        return "admin/typeManage";
    }

    @GetMapping("/typeManage/input")
    public String input(Model model){
        model.addAttribute("type", new Type());
        return "admin/typeInput";
    }

    @GetMapping("/typeManage/{id}/input")
    public String editInput(@PathVariable Long id, Model model) {
        model.addAttribute("type", typeService.getType(id));
        return "admin/typeInput";
    }

    @PostMapping("/typeManage")
    public String post(@Valid Type type, BindingResult result, RedirectAttributes attributes){
        Type type1 = typeService.getTypeByName(type.getName());
        if (type1 != null) {
            result.rejectValue("name", "nameError","该分类已存在，不能重复添加！");
        }
        if (result.hasErrors()){
            return "admin/typeInput";
        }
        Type type2 = typeService.saveType(type);
        if (type2 == null) {
            attributes.addFlashAttribute("message", "新增失败！");
        }else {
            attributes.addFlashAttribute("message", "新增成功！");
        }
        return "redirect:/admin/typeManage";
    }

    @PostMapping("/typeManage/{id}")
    public String editPost(@Valid Type type, BindingResult result, @PathVariable Long id, RedirectAttributes attributes){
        Type type1 = typeService.getTypeByName(type.getName());
        if (type1 != null) {
            result.rejectValue("name", "nameError","该分类已存在，不能重复添加！");
        }
        if (result.hasErrors()){
            return "admin/typeInput";
        }
        Type type2 = typeService.updateType(id,type);
        if (type2 == null) {
            attributes.addFlashAttribute("message", "更新失败！");
        }else {
            attributes.addFlashAttribute("message", "更新成功！");
        }
        return "redirect:/admin/typeManage";
    }

    @GetMapping("/typeManage/{id}/delete")
    public String delete(@PathVariable Long id, RedirectAttributes attributes) {
        typeService.deleteType(id);
        attributes.addFlashAttribute("message", "删除成功！");
        return "redirect:/admin/typeManage";
    }

}
